3.19 ct boulder opal 16.7×6.5×3.6mmUS$800.00 In Stock 3.19 ct boulder opal 16.7x6.5x3.6mm quantity Add to cart SKU: SB2309 Category: Boulder Opal Opal Specifications Additional information Weight 3.19 ct Dimensions 16.7 × 6.5 × 3.6 mm Brightness B3 Bright Cut Freeform Dome Low Dome Opal Origin Queensland Predominant Colors Green, Gold Product Enquiry